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Finding the Fourth Proportional to 199,548.90, 299,408.40 and 104,851.80

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Solution

The fourth proportional to 199,548.90, 299,408.40 and 104,851.80 is: 157,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,548.90 : 299,408.40 = 104,851.80 : x
  2. Step 2: Convert to fraction form
    199,548.90/299,408.40 = 104,851.80/x
  3. Step 3: Cross multiply
    199,548.90x = 299,408.40 × 104,851.80
  4. Step 4: Simplify right side
    199,548.90x = 31,393,509,675.12
  5. Step 5: Solve for x
    x = 31,393,509,675.12/199,548.90
  6. Step 6: Final answer
    x = 157,322.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.